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Check if an element is in the Collection in C#
To check if an element is in the Collection, the code is as follows −
Example
using System;
using System.Collections.ObjectModel;
public class Demo {
public static void Main(){
Collection<int> col = new Collection<int>();
col.Add(10);
col.Add(20);
col.Add(30);
col.Add(40);
col.Add(50);
col.Add(60);
col.Add(70);
col.Add(80);
Console.WriteLine("Elements in the Collection...");
foreach(int val in col){
Console.WriteLine(val);
}
Console.WriteLine("Does the collection has the element 70? = "+col.Contains(70));
}
}Output
This will produce the following output −
Elements in the Collection... 10 20 30 40 50 60 70 80 Does the collection has the element 70? = True
Example
Let us see another example −
using System;
using System.Collections.ObjectModel;
public class Demo {
public static void Main(){
Collection<string> col = new Collection<string>();
col.Add("John");
col.Add("Gary");
col.Add("Tom");
col.Add("Brad");
col.Add("Katie");
col.Add("Andy");
col.Add("Nathan");
Console.WriteLine("Elements in the Collection...");
foreach(string val in col){
Console.WriteLine(val);
}
Console.WriteLine("Does the collection has the value Bradley? = "+col.Contains("Bradley"));
}
}Output
This will produce the following output −
Elements in the Collection... John Gary Tom Brad Katie Andy Nathan Does the collection has the value Bradley? = False
Updated on: 04-Dec-2019
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